Rear decorative panel for an automobile



FIG. 1 is a perspective view of a rear decorative panel for an automobile showing my new design;

FIG. 2 is a front, elevational view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is an enlarged front, elevational view thereof.

The claimed design is indicated by the relatively light portions in FIGS. 1-4, while the relatively dark portions are environmental and form no part of the claimed design. 

The ornamental design for a rear decorative panel for an automobile, as shown and described. 